import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../providers/ideas_provider.dart';
import '../../../models/idea.dart';

class IdeaEditScreen extends ConsumerStatefulWidget {
  final String id;

  const IdeaEditScreen({super.key, required this.id});

  @override
  ConsumerState<IdeaEditScreen> createState() => _IdeaEditScreenState();
}

class _IdeaEditScreenState extends ConsumerState<IdeaEditScreen> {
  final _formKey = GlobalKey<FormState>();
  final _titleController = TextEditingController();
  final _descriptionController = TextEditingController();
  bool _initialized = false;

  @override
  void initState() {
    super.initState();
    Future.microtask(() {
      ref.read(ideasProvider.notifier).loadIdea(widget.id);
    });
  }

  @override
  void dispose() {
    _titleController.dispose();
    _descriptionController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final state = ref.watch(ideasProvider);
    final notifier = ref.read(ideasProvider.notifier);

    if (!_initialized && state.selectedIdea != null) {
      _titleController.text = state.selectedIdea!.title;
      _descriptionController.text = state.selectedIdea!.description;
      _initialized = true;
    }

    return Scaffold(
      appBar: AppBar(
        title: const Text('Редактировать идею'),
        actions: [
          TextButton(
            onPressed: state.isLoading
                ? null
                : () async {
                    if (_formKey.currentState!.validate()) {
                      final success = await notifier.updateIdea(
                        widget.id,
                        UpdateIdeaRequest(
                          title: _titleController.text.trim(),
                          description: _descriptionController.text.trim(),
                        ),
                      );
                      if (success && mounted) context.pop();
                    }
                  },
            child: state.isLoading
                ? const SizedBox(
                    height: 16,
                    width: 16,
                    child: CircularProgressIndicator(strokeWidth: 2),
                  )
                : const Text('Сохранить'),
          ),
        ],
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(16),
        child: Form(
          key: _formKey,
          child: Column(
            children: [
              TextFormField(
                controller: _titleController,
                decoration: const InputDecoration(labelText: 'Название'),
                textCapitalization: TextCapitalization.sentences,
              ),
              const SizedBox(height: 16),
              TextFormField(
                controller: _descriptionController,
                decoration: const InputDecoration(
                  labelText: 'Описание',
                  alignLabelWithHint: true,
                ),
                maxLines: 8,
                textCapitalization: TextCapitalization.sentences,
              ),
            ],
          ),
        ),
      ),
    );
  }
}